TABLE 3.

Demographic data and comorbidities of the study population according to metabolic syndrome.

Variable	Metabolic syndrome
	No (n = 198)	Yes (n = 132)
Age, mean ± sd, years	53.0 (51.1–54.9)	55.5 (53.6–57.4)
Male gender, n (%)	139 (70.2)	88 (66.7)
Neck circumference, mean (95%CI), cm
Male	43.0 (42.5–43.5)	44.6 (43.9–45.3) a
Female	39.0 (38.2–39.7)	39.9 (38.8–41.0)
Smoking, yes, n (%)	59 (33.3)	40 (31.3)
Myocardial infarction, n (%)	4 (4.4)	10 (12.8) a

^ap < 0.05.